Routing scalability in multi-domain DWDM networks

Qing Liu; Chongyang Xie; Tannous Frangieh; Nasir Ghani; Ashwin Gumaste; Nageswara S.V. Rao

doi:10.1007/s11107-008-0143-0

Routing scalability in multi-domain DWDM networks

Qing Liu, Chongyang Xie, Tannous Frangieh, Nasir Ghani, Ashwin Gumaste, Nageswara S.V. Rao

Autonomous and Complex Systems

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

This paper studies routing scalability in multi-domain DWDM networks. Although inter-domain provisioning has been well studied for packet/cell-switching networks, the wavelength dimension (along with wavelength conversion) poses many challenges in multi-domain DWDM settings. To address these concerns a detailed GMPLS-based hierarchical routing framework is proposed for multi-domain DWDM networks with wavelength conversion. This solution uses mesh topology abstraction schemes to hide domain-internal state. However related inter-domain routing loads can be significant here, growing by the square of the number of border nodes. To address these scalability limitations, improved inter-domain routing update strategies are also proposed and the associated performance of inter-domain lightpath RWA and signaling schemes studied.

Original language	English
Pages (from-to)	63-74
Number of pages	12
Journal	Photonic Network Communications
Volume	17
Issue number	1
DOIs	https://doi.org/10.1007/s11107-008-0143-0
State	Published - Feb 2009

Keywords

Full wavelength conversion
GMPLS
Inter-domain DWDM routing
Multi-domain networks
Optical networks
Topology abstraction

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10.1007/s11107-008-0143-0

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title = "Routing scalability in multi-domain DWDM networks",

abstract = "This paper studies routing scalability in multi-domain DWDM networks. Although inter-domain provisioning has been well studied for packet/cell-switching networks, the wavelength dimension (along with wavelength conversion) poses many challenges in multi-domain DWDM settings. To address these concerns a detailed GMPLS-based hierarchical routing framework is proposed for multi-domain DWDM networks with wavelength conversion. This solution uses mesh topology abstraction schemes to hide domain-internal state. However related inter-domain routing loads can be significant here, growing by the square of the number of border nodes. To address these scalability limitations, improved inter-domain routing update strategies are also proposed and the associated performance of inter-domain lightpath RWA and signaling schemes studied.",

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AU - Gumaste, Ashwin

AU - Rao, Nageswara S.V.

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Routing scalability in multi-domain DWDM networks

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Keywords

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